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The Day Earth Smiled

A mosaic of people on Earth waving at Saturn on July 19, 2013, the day Earth smiled. NASA called it “a global moment of cosmic self-awareness.”

View larger. | Collage of people on Earth on July 19, 2013, “the day Earth smiled,” via NASA

On July 19, 2013, the Cassini spacecraft captured a remarkable photograph of the Earth and moon as seen from the planet Saturn. The photo came to be known as The Day The Earth Smiled. On that same day, participants from 40 countries took photos of themselves waving at Saturn. This awesome collage is the result.